DataOutputStream writeByte(int) in Java

writeByte(int): This method is available in the java.io.DataOutputStream class of Java.

Syntax:

void java.io.DataOutputStream.writeByte(int v) throws IOException

This method takes one argument. This method writes out a byte to the underlying output stream as a 1-byte value.

Note:

If no exception is thrown, the counter written is incremented by 1.

Parameters: One parameter is required for this method.

v: a byte value to be written.

Throws:

IOException - if an I/O error occurs.

Approach

Java

import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class DataOutputStreamwriteByte {
    public static void main(String[] args) throws IOException {

        FileOutputStream file = 
                     new FileOutputStream("D:\\hello.txt");
        DataOutputStream data = new DataOutputStream(file);

        int v = 65;
        data.writeByte(v);
        System.out.println("Successfully writes");
        data.close();

    }
}

Output:

Successfully writes

hello.txt

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